Junction box



FIG. 1 is a top, rear, right perspective view of a junction box, showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a front elevation view thereof; and,

FIG. 7 is a rear elevation view thereof.

The broken lines depict portions of the junction box that form no part of the claimed design. 

CLAIM The ornamental design for a junction box, as shown and described. 